<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
	<button id="btn">btn</button>
	<input type="" id="demoInput" name="">
	<div id="ss"></div>
		<script type="text/javascript">
			function openwindow(html)
		{
		    return window.open(html,'newindow','height=600,width=900,top=200,left=300,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no');
		}
		btn.onclick = function() {
			openwindow("post_object_to_oss.html")
		}
</script>
</body>
</html>